WN1876
WN1876 (Southwest Airlines) is a multi-stop service on 33 routes, busiest Atlanta to Kansas City. Of 614 departures recorded from October 2024 to July 2026, 74.1% left on time, according to the US BTS.
- On-time departures74.1%of 614 flights
- Average delay13.8 min
- July 202620▼ 55.6%vs July 2025
- Cancelled1.1%
- Legs flown under this number33
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | 32 | ▲ 3.2% |
| February | 28 | 28 | 0.0% |
| March | 35 | 12 | ▼ 65.7% |
| April | 23 | 26 | ▲ 13.0% |
| May | 23 | 31 | ▲ 34.8% |
| June | 38 | 17 | ▼ 55.3% |
| July | 45 | 20 | ▼ 55.6% |
| August | 27 | – | – |
| September | 26 | – | – |
| October | 21 | – | in progress |
| November | 40 | – | – |
| December | 35 | – | – |
| Year to date (Jan–Jul) | 223 | 166 | ▼ 25.6% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 78.6% | 87.5% | ▲ 11.4% |
| February | 75.0% | 75.0% | 0.0% |
| March | 82.9% | 66.7% | ▼ 19.5% |
| April | 87.0% | 69.2% | ▼ 20.4% |
| May | 95.7% | 67.7% | ▼ 29.2% |
| June | 42.1% | 64.7% | ▲ 53.7% |
| July | 53.3% | 70.0% | ▲ 31.3% |
| August | 85.2% | – | – |
| September | 92.3% | – | – |
| October | 42.9% | – | in progress |
| November | 80.6% | – | – |
| December | 74.3% | – | – |
| Year-to-date average (Jan–Jul) | 73.5% | 71.6% | ▼ 2.6% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 3 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 4 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 0 | ▼ 100.0% |
according to the US BTS · October 2024 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 98.9% 607
- Cancelled 1.1% 7
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ATL MCI Hartsfield Jackson Atlanta International Airport – Kansas City International Airport | 1,114 | 10.0 min | 81.1% | 109 |
| HOU HRL William P. Hobby Airport – Valley International Airport | 446 | 7.1 min | 79.3% | 58 |
| BNA MCI Nashville International Airport – Kansas City International Airport | 790 | 37.8 min | 50.0% | 52 |
| DEN BNA Denver International Airport – Nashville International Airport | 1,628 | 0.5 min | 93.8% | 48 |
| BWI PVD Baltimore/Washington International Thurgood Marshall Airport – Rhode Island T. F. Green International Airport | 526 | -2.1 min | 100.0% | 42 |
| BWI RDU Baltimore/Washington International Thurgood Marshall Airport – Raleigh-Durham International Airport | 411 | 6.6 min | 76.3% | 41 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 16 | 16 | 81.3% | 0 |
| November 2024 | 29 | 29 | 82.8% | 0 |
| December 2024 | 31 | 31 | 87.1% | 0 |
| January 2025 | 31 | 28 | 78.6% | 3 |
| February 2025 | 28 | 28 | 75.0% | 0 |
| March 2025 | 35 | 35 | 82.9% | 0 |
| April 2025 | 23 | 23 | 87.0% | 0 |
| May 2025 | 23 | 23 | 95.7% | 0 |
| June 2025 | 38 | 38 | 42.1% | 0 |
| July 2025 | 45 | 45 | 53.3% | 0 |
| August 2025 | 27 | 27 | 85.2% | 0 |
| September 2025 | 26 | 26 | 92.3% | 0 |
| October 2025 | 21 | 21 | 42.9% | 0 |
| November 2025 | 40 | 36 | 80.6% | 4 |
| December 2025 | 35 | 35 | 74.3% | 0 |
| January 2026 | 32 | 32 | 87.5% | 0 |
| February 2026 | 28 | 28 | 75.0% | 0 |
| March 2026 | 12 | 12 | 66.7% | 0 |
| April 2026 | 26 | 26 | 69.2% | 0 |
| May 2026 | 31 | 31 | 67.7% | 0 |
| June 2026 | 17 | 17 | 64.7% | 0 |
| July 2026 | 20 | 20 | 70.0% | 0 |